var gLightImg = new Array ();
var gCarAnimImg = new Array ();

lightInit ();

function lightInit ()
{
	var index;
	
	gLightImg [0] = new Image ();
	gLightImg [0].src = "img@/A18lightRed.gif";
	gLightImg [1] = new Image ();
	gLightImg [1].src = "img@/A18lightYellow.gif";
	gLightImg [2] = new Image ();
	gLightImg [2].src = "img@/A18lightGreen.gif";
	
	for (index = 0; index < 3; index++)
	{
		gCarAnimImg [index] = new Image ();
		gCarAnimImg [index].src = "img@/A18carAnim" + index + ".gif";
	}
}

function switchLight (inSwitchOnlyCar)
{
	var index;
	
	if (document.ValidForm.SelectPrimary.selectedIndex == 0)
	{
		index = 0;
	}
	else
	{
		if (document.ValidForm.SelectSecondary.selectedIndex == 0)
			index = 1;
		else
			index = 2;
	}
	
	if (!inSwitchOnlyCar)
		document.images["light"].src = gLightImg [index].src;
	document.images["carAnim"].src = gCarAnimImg [index].src;
}